Fig. 3From: Intrahepatic cholangiocarcinoma with extensive intraductal extension of high-grade biliary intraepithelial neoplasia: a case reportEndoscopic retrograde cholangiography (ERC) image. A Cholangiography showed a severe stenosis at the bifurcation of the segment 6 (B6) and 7 (B7) bile duct (arrow). B After cannulating the catheter, cystic dilatation of the segment 6 bile ducts (B6) was observed (arrowheads)Back to article page